Home / 49,942.83-68,935.01-28,728.93

Finding the Fourth Proportional to 49,942.83, 68,935.01 and 28,728.93

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Solution

The fourth proportional to 49,942.83, 68,935.01 and 28,728.93 is: 39,653.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,942.83 : 68,935.01 = 28,728.93 : x
  2. Step 2: Convert to fraction form
    49,942.83/68,935.01 = 28,728.93/x
  3. Step 3: Cross multiply
    49,942.83x = 68,935.01 × 28,728.93
  4. Step 4: Simplify right side
    49,942.83x = 1,980,429,076.84
  5. Step 5: Solve for x
    x = 1,980,429,076.84/49,942.83
  6. Step 6: Final answer
    x = 39,653.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.